gcleaner | 3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219

General

Target
3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe
Size 220KB
Sample240709-d4appatgpk
SHA256 3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219
MD5 9633bfe97ffda747896dff086f4a4e90
SHA1 ab5a301a1d1a4be795fcdf12f79aa98809724a72
SHA512 d3a83d513e4c2dec35a0d9c1ca1c87430427ead2c0ed542595cb98c681121834ec87816af3a9d0653c28a4856a8a7429e53a5887f772aba63a16cee0fc571a6c
SSDEEP 3072:T6L6tcj2avsnJg23at4670SuOBE3tqnQtKd2B58OfPzT/2PE9w:mL6tUsn7ip0GeZtIOTyP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
185.172.128.69

Attributes

url_path
/advdlc.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
784	1996	WerFault.exe	79
2256	1996	WerFault.exe	79
2696	1996	WerFault.exe	79
3880	1996	WerFault.exe	79
1360	1996	WerFault.exe	79
2304	1996	WerFault.exe	79
4420	1996	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
3200	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3200	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1500	1996	3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe	97
PID 1996 wrote to memory of 1500	1996	3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe	97
PID 1996 wrote to memory of 1500	1996	3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe	97
PID 1500 wrote to memory of 3200	1500	cmd.exe	99
PID 1500 wrote to memory of 3200	1500	cmd.exe	99
PID 1500 wrote to memory of 3200	1500	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe
"C:\Users\Admin\AppData\Local\Temp\3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 784
  2⤵
  - Program crash
  PID:784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 784
  2⤵
  - Program crash
  PID:2256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 808
  2⤵
  - Program crash
  PID:2696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 848
  2⤵
  - Program crash
  PID:3880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 952
  2⤵
  - Program crash
  PID:1360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 960
  2⤵
  - Program crash
  PID:2304
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 1532
  2⤵
  - Program crash
  PID:4420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "3f3292b0e19baad015ae3de437abde5071b3298e78a61ec3ac281fbc42a3a219.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1996 -ip 1996
1⤵
PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 1996 -ip 1996
1⤵
PID:240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1996 -ip 1996
1⤵
PID:484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1996 -ip 1996
1⤵
PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1996 -ip 1996
1⤵
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1996 -ip 1996
1⤵
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1996 -ip 1996
1⤵
PID:3572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Q58SX0VB\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/1996-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

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memory/1996-2-0x0000000002320000-0x000000000234D000-memory.dmp

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memory/1996-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1996-8-0x0000000000400000-0x00000000004D2000-memory.dmp

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memory/1996-14-0x00000000006F0000-0x00000000007F0000-memory.dmp

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memory/1996-15-0x0000000002320000-0x000000000234D000-memory.dmp

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memory/1996-17-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1996-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1996-22-0x0000000000400000-0x00000000004D2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads